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s390/uv: Convert to use flag output macros

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Use flag output macros in inline asm to allow for better code generation if
the compiler has support for the flag output constraint.

Reviewed-by: Juergen Christ <jchrist@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Heiko Carstens 2024-11-07 16:11:41 +01:00
parent f07a788895
commit 3611a2367c
1 changed files with 6 additions and 6 deletions
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12
arch/s390/include/asm/uv.h
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@ -17,6 +17,7 @@
#include <linux/sched.h>
#include <asm/page.h>
#include <asm/gmap.h>
#include <asm/asm.h>
#define UVC_CC_OK 0
#define UVC_CC_ERROR 1
@ -436,13 +437,12 @@ static inline int __uv_call(unsigned long r1, unsigned long r2)
int cc;
asm volatile(
" .insn rrf,0xB9A40000,%[r1],%[r2],0,0\n"
" ipm %[cc]\n"
" srl %[cc],28\n"
: [cc] "=d" (cc)
" .insn rrf,0xb9a40000,%[r1],%[r2],0,0\n"
CC_IPM(cc)
: CC_OUT(cc, cc)
: [r1] "a" (r1), [r2] "a" (r2)
: "memory", "cc");
return cc;
: CC_CLOBBER_LIST("memory"));
return CC_TRANSFORM(cc);
}
static inline int uv_call(unsigned long r1, unsigned long r2)